A security issue affects the following Ubuntu releases:
This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.
The problem can be corrected by upgrading your system to the
following package versions:
In general, a standard system upgrade is sufficient to effect the
Fabio Massimo Di Nitto discovered that cman did not correctly validate
the size of client messages. A local user could send a specially crafted
message and execute arbitrary code with cluster manager privileges or
crash the manager, leading to a denial of service.